WILL CHOOSE BRAINLIEST PLZ HELP! Trapezoid RSTU with vertices R(-5, 15), S(0, 10), T(-5, 5) and U(-15, 5): scale factor = 1/5, centered at the origin

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Solve the equation x/4 - 5= -8 -27 -12 -7 12

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?